INDEX 



Abutilon holosericeum Scheele 51 



Abutilon incanum Sweet 50 



Abutilon texense T. and G 50 



Abutilon wrightii A. Gray 50 



Acacia filicoides Trelease 35 



Acacia Roemerianna Schlect 35 



Acalypha gracilens var. monococcus 



Eng 43 



Acalypha Lindheimeri Muell. Arg. . . 43 



Acalypha ostryaefolia Rydb 43 



Acalypha radians Torr 43 



Achillea millefolium L 5 



Actinella linearifolia Torr and Gray. . 85 



Actinella scaposa var. linearis Nu'tt. . 85 



Acuan IUinoensis Kuntze 35 



Acuan velutina Kuntze 35 



Adder's Tongue 5 



Adelia pubescens Kuntze 17 



Adiantum CapiUus-veneris L 5 



Adonis annua L 29 



Adopogon occidentalis Kuntze 86 



Aesculus Pavia L 48 



Agarita 30 



Ailanthus glandulosus Desf 43 



Alfalfa 39 



Alfilaria 41 



Allionia albida Walt 27 



Allionia nyctaginea Michx 27 



Allium canadenze L 17 



Allium Helleri Small 18 



Allium microscordion Small 18 



Allium mutabUe 18 



Alopecurus geniculatus L 11 



Aloysia ligustrima Small 66 



Alsine Baldwinii Small 28 



Alsine media L 28 



Alternanthera repens Kuntze 25 



Amaranth 25 



Amaranth 26 



Amaranthus 26 



Amaranthus albus L 25 



Amaranthus blitoides Reverchonii 



Uline and Bray 25 



Amaranthus Palmeri S. Wats 25 



Amaranthus Pringlei Watson 26 



Amaranthus retroflexus L 26 



Amaranthus spinosus L 26 



Amaryllis 19 



Amblyolepis setigera DC 83 



Ambrosia aptera DC 76 



Ambrosia psilostachya DC 76 



Ammannia coccinea Rottb 53 



Ammi majus L 56 



Amorpha fruticosa L 37 



Amorpha texana Buckl 37 



Ammoselinum Butleri Coult. & Rose 56 



Ampelopsis arborea Rusby 49 



Amphilophis saccharoides (Sw.)Nash. 8 



Amphyachyris dracunculoides Nutt. . 78 



Amsonia texana Heller 60 



AnagaUis arvensis L 58 



Anaqua 66 



Andropogon argyraceus Schult 8 



Andropogon glomeratus B. S. P 9 



Androstephium coeruleum Greene.... 18 



Anemia mexicana KL 5 



Anemone decapetala Ard 29 



Angle-pod 61 



Annual Poa 14 



Antelope Horns 61 



Anthemis Cotula L 85 



Antirrhinum antirrhiniflorum Small. 70 



Aphanostephus humilis A. Gray 78 



Aphanostephus arkansanus 78 



Aphanostephus skirrobasis Trelease. . 78 



Apium ammi Urban 56 



Apogon humilis Ell 87 



Aquilegia canadensis L 29 



Aquilegia chrysantha Gray 29 



Arabis petiolaris A. Gray 31 



Arabis virginica Trelease 31 



Arbutus Xalapensis H.B.K 58 



Arenaria Benthamii Fenzl 28 



Argemone alba Lesteb 31 



Argemone Platyceras Link & Otto . . 31 



Argythamnia humilis Muelk 45 



Argythamnia mercurialina Nutt. ... 45 



Arisaema dracontium Schott 16 



Aristida longiseta Steud 11 



Aristida purpurea Nutt 11 



Aristolochia long i folia Engelm. and 



Gray 75 



Arrow-leaf, Arrow-head 8 



Artemisia mexicana Willd 85 



Asclepias Lindheimeri Engelm 60 



Asclepias texana Heller 61 



Asclepias verticillata L 61 



Asclepiodora decumbens A. Gray.... 61 



Asclepiodora viridis A. Gray 61 



Ascyrum hypericoides L 51 



Ash-leaved Maple 48 



Asplenium resiliens Kuntze 5 



Aster Drummondii Lindl 78 



Aster dumosus var. subulaef olius 



Torr. and Gray 78 



Aster exilis Ell 78 



Aster multiflorus Ait 78 



Aster spinosus Benth 79 



Astragalus crassicarpus Nutt 37 



Astragalus leptocarpus T. and G 38 



Astragalus Lindheimeri Engelm 38 



Astragalus Mexicanus A. D.C 38 



Astragalus Nuttalianus DC 38 



Astragalus reflexus T .and G 37 



Astragalus Wrightii AG 37 



Atamosco Lily 19 



Atamosco texana Green 19 



Atheropogon curtipendulus Tourn... 12 



Avens 34 



Baccharis angustifolia Miehx 79 



Ball Moss 17 



Balloon Vine 48 



Ba'sam 75 



Bear-berry 47 



Beard-tongue 71 



Bedstraw 73 



Bee Blossom 54 



Benzoin aestivale Nees 53 



Berberis trifoliolata Moric 30 



Berchemia scandens Trelease 48 



Berlandiera texana DC 81 



Bernardia myricaefolia S. Wats 44 



Berula erecta (Huds). Coville 56 



Bindweed 62 



